Wristwatch



FIG. 1 is front elevational view of a wristwatch, showing my new design.

FIG. 2 is a right side elevational view thereof.

FIG. 3 is a front right perspective view thereof; and,

FIG. 4 is a rear right perspective view thereof.

The faded area of the wristwatch shown in FIG. 4 and outlined in dot-dash lines illustrates portions of the wristwatch that form no part of the claimed design. 

CLAIM The ornamental design for a wristwatch, as shown and described. 